19 September 2026
: Case report 
Pulsed Radiofrequency of the Sacral Dorsal Root Ganglia as a Potential Rescue Therapy for Refractory Chronic Pelvic Pain: A Case Series
Unknown etiology, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Clinical situation which can not be reproduced for ethical reasons
Paweł Gogol
ABCDEF 1,2,3*, Małgorzata Gierczak B 4, Robert Szczepaniak E 1,2, Rafał Wiśniewski E 1,2, Michał Sobstyl F 5, Rafał Pasztaleniec E 6, Beniamin Oskar Grabarek CE 7
DOI: 10.12659/AJCR.954251
Am J Case Rep 2026; 27:e954251
Table 2 Pharmacological treatment before and after PRF of the S2–S4 dorsal root ganglia.
| Patient | Medication | Baseline (mg/day) | 3 months | 6 months |
|---|---|---|---|---|
| P1 | Diclofenac | 100 | 0 | 50 |
| Tramadol | 75 | 37.5 | 50 | |
| Acetaminophen | 650 | 325 | 500 | |
| — | ~60% | ~40% | ||
| P2 | Gabapentin | 2400 | 1200 | 1200 |
| Amitriptyline | 75 | 0 | 50 | |
| Tolperisone | 150 | 50 | 50 | |
| — | ~60% | ~50% | ||
| P3 | Pregabalin | 600 | 300 | 300 |
| Duloxetine | 90 | 45 | 60 | |
| Diclofenac | 100 | 0 | 50 | |
| — | ~60% | ~50% |